/*******************************************************************************
 * Copyright (c) 2006 CEA List.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     CEA List - initial API and implementation
 *******************************************************************************/
package com.cea.papyrus.tabbedproperties.section;

import org.eclipse.core.runtime.Assert;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.swt.SWT;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.ui.IWorkbenchPart;
import org.eclipse.ui.views.properties.tabbed.TabbedPropertySheetPage;

import com.cea.papyrus.core.editpart.GraphNodeWithSemanticEditPart;
import com.cea.papyrus.core.editpart.IUMLElementEditPart;
import com.cea.papyrus.core.tabbedproperties.PropertyViewSection;
import com.cea.papyrus.tabbedproperties.composites.SlotComposite;
import com.cea.papyrus.umlutils.Slot;

/**
 * Section to choose values for a Slot
 */
public class SlotValuesSection extends PropertyViewSection {

	/** The composite associated to this section */
	private final SlotComposite slotComposite;

	/**
	 * Creates a new SlotValuesSection.
	 */
	public SlotValuesSection() {
		// table for values
		slotComposite = new SlotComposite();
	}
	
	/**
	 * {@inheritDoc}
	 */
	@Override
	public void createControls(Composite parent, TabbedPropertySheetPage tabbedPropertySheetPage) {
		super.createControls(parent, tabbedPropertySheetPage);
		// set a grid Layout
		GridLayout layout = new GridLayout();
		layout.numColumns = 2;
		layout.makeColumnsEqualWidth = true;
		layout.marginWidth = 0; // remove additional spaces
		layout.marginHeight = 0; // remove additional spaces
		parent.setLayout(layout);

		GridData data = new GridData();
		data.grabExcessHorizontalSpace = true;
		data.horizontalAlignment = SWT.FILL;

		slotComposite.createContent(parent, tabbedPropertySheetPage.getWidgetFactory());
		slotComposite.setLayoutData(data);
	}

	/**
	 * {@inheritDoc}
	 */
	@Override
	public void refresh() {
		slotComposite.refresh();
	}

	/**
	 * {@inheritDoc}
	 */
	@Override
	public void setInput(IWorkbenchPart part, ISelection selection) {
		super.setInput(part, selection);
		Assert.isTrue(selection instanceof IStructuredSelection);
		Object input = ((IStructuredSelection) selection).getFirstElement();
		if (input instanceof IUMLElementEditPart) {
			org.eclipse.uml2.uml.Element element = ((IUMLElementEditPart) input).getUmlElement();
			if(element instanceof org.eclipse.uml2.uml.Slot) {
				Slot ceaSlot = new Slot((org.eclipse.uml2.uml.Slot)element);
				slotComposite.setElement(ceaSlot);
				if(input instanceof GraphNodeWithSemanticEditPart){
					slotComposite.setEditPart((GraphNodeWithSemanticEditPart)input);
				}
			}
		}
	}

	/**
	 * {@inheritDoc}
	 */
	@Override
	public void dispose(){
		if(slotComposite!=null) {
			slotComposite.dispose();
		}
		super.dispose();
	}
}